| Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158) |
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| 03/17/1982 | EP0047409A2 Offset compensation for switched capacitor integrators |
| 03/17/1982 | EP0047392A2 High-voltage semiconductor switch |
| 03/17/1982 | EP0047366A1 Transistor driver circuit |
| 03/16/1982 | US4320434 Power semiconductor protection circuit with fault detection |
| 03/16/1982 | US4320316 Operation time control apparatus |
| 03/16/1982 | CA1120129A1 Circuit device for checking the closed position of a folding door |
| 03/10/1982 | EP0046962A1 Protection circuit for switching transistor |
| 03/09/1982 | US4319181 Solid state current sensing circuit |
| 03/09/1982 | US4319145 Control interface circuit |
| 03/09/1982 | US4319144 Single polarity circuit |
| 03/09/1982 | CA1119667A1 High voltage semiconductor converter protective apparatus |
| 03/03/1982 | EP0046498A1 Bootstrapped driver circuit |
| 03/02/1982 | US4318168 Over stress sense circuit for flyback power supply |
| 03/02/1982 | US4318087 Switch closure sensing circuit |
| 03/02/1982 | US4318074 Contactless electromagnetic relay |
| 03/02/1982 | US4318011 Arrangement including a delayed-action semiconductor switch |
| 03/02/1982 | US4318008 Random power controller |
| 03/02/1982 | US4317275 Method for making a depletion controlled switch |
| 02/24/1982 | EP0046216A2 Driver for a digital static semiconductor circuit |
| 02/24/1982 | EP0046197A1 FET convolved logic |
| 02/23/1982 | US4317128 Two transistor switch |
| 02/23/1982 | US4317110 Multi-mode circuit |
| 02/23/1982 | US4317012 Display board type switching device |
| 02/17/1982 | EP0045882A2 Electronic control circuit |
| 02/17/1982 | EP0045782A1 Scan-controlled keyboard |
| 02/16/1982 | US4316105 Comparator |
| 02/16/1982 | US4316104 Monolithically integrated digital semiconductor circuit |
| 02/16/1982 | US4316101 Circuit for switching and transmitting alternating voltages |
| 02/16/1982 | US4316056 Control circuit for electromagnetically-operated recorders in teleprinting devices |
| 02/16/1982 | CA1118504A1 Buffer circuit including bootstrap capacitance driver |
| 02/16/1982 | CA1118503A1 Failsafe logic function apparatus |
| 02/10/1982 | EP0045349A1 Superconductive latch circuit |
| 02/09/1982 | US4315307 Switching device and switched-type power supply using the same |
| 02/09/1982 | US4315168 Semiconductor switch |
| 02/09/1982 | US4315167 Self-switching bidirectional digital line driver |
| 02/09/1982 | CA1118071A1 Capacitive activated transducer |
| 02/05/1982 | EP0036424A4 Circuit arrangement for an asynchronous motor drive with variable speed. |
| 02/02/1982 | US4314310 Electrical switch |
| 02/02/1982 | CA1117627A1 Protective circuit for selectively applying power to a motor |
| 02/02/1982 | CA1117593A1 Thyristor connection with overvoltage protection |
| 01/27/1982 | EP0044397A1 Electronic switching circuit |
| 01/27/1982 | EP0044342A1 Pressure sensitive piezoelectric polymer signal generator. |
| 01/26/1982 | US4313156 Gate controlling circuit for a thyristor converter |
| 01/26/1982 | US4313066 Direct coupled nonlinear injection Josephson logic circuits |
| 01/26/1982 | US4313065 Switching circuit with MOS field effect transistor |
| 01/26/1982 | US4313062 Bidirectional deflector driver for video disc |
| 01/20/1982 | EP0044047A1 Circuit arrangement for increasing the effective signal of a Hall senser |
| 01/20/1982 | EP0043897A2 Integrated digital-analog converter |
| 01/19/1982 | US4311990 Photo-optical keyboards |
| 01/19/1982 | US4311981 Magnetic switch |
| 01/19/1982 | US4311930 Voltage protection circuit for binary data-storage device |
| 01/19/1982 | US4311925 Current switch emitter follower latch having output signals with reduced noise |
| 01/19/1982 | US4311923 Device for regulating the threshold voltages of I.G.F.E.T. transistors circuitry |
| 01/19/1982 | US4311922 Variable excitation circuit |
| 01/13/1982 | EP0043510A1 Circuit arrangement for switching half-waves in synchronism with the supply voltage |
| 01/13/1982 | EP0043489A1 Switch with series-connected MOSFETs |
| 01/12/1982 | US4310867 Voltage responsive switch with input voltage surge protection |
| 01/12/1982 | US4310839 Interactive display system with touch data entry |
| 01/12/1982 | CA1116282A1 Matrix type switching device |
| 01/08/1982 | EP0039674A4 Magnetic control apparatus. |
| 01/06/1982 | EP0043350A1 Contactless keyboard |
| 01/05/1982 | US4309715 Integral turn-on high voltage switch |
| 01/05/1982 | US4309628 Pulse generation by changing magnetic field |
| 01/05/1982 | CA1115790A1 Mos fet amplifier |
| 01/05/1982 | CA1115782A1 Fast-recovery circuit |
| 01/05/1982 | CA1115531A1 Electronic timer device |
| 12/30/1981 | EP0042777A1 Logic inverter and operator with several outputs using at least one low-threshold field-effect transistor |
| 12/30/1981 | EP0042524A2 Method and circuit arrangement for interrupting a direct current supplying a magnetic coil |
| 12/30/1981 | EP0042512A1 Current switch driving circuitry |
| 12/29/1981 | US4308470 Digital-to-analog switching interface circuit |
| 12/29/1981 | US4308468 Dual-FET sample and hold circuit |
| 12/29/1981 | US4308466 Circuit to compensate for semiconductor switching speed variations |
| 12/29/1981 | US4308452 Monitoring the operation of a vehicle |
| 12/29/1981 | US4308443 Induction cook-top with improved touch control |
| 12/24/1981 | WO1981003722A1 Transistor or thyristor inverter with energy recovery |
| 12/23/1981 | EP0042305A2 MOS transistor circuit with breakdown protection |
| 12/22/1981 | US4307306 IC Clamping circuit |
| 12/22/1981 | US4307302 Electronic control system |
| 12/22/1981 | US4307301 Electric circuit arrangement for replacement of an electric switch, with combined pushing and locking function for automotive vehicles |
| 12/22/1981 | US4307298 Optically toggled bilateral switch having low leakage current |
| 12/22/1981 | CA1114887A1 Adjustable dc pulse circuit for variation over a predetermined range using two timer networks |
| 12/16/1981 | EP0041830A1 Touch switch |
| 12/16/1981 | EP0041769A1 Transistor chopper circuits |
| 12/15/1981 | US4306161 Simple method of switching an AC line |
| 12/15/1981 | US4306159 Bipolar inverter and NAND logic circuit with extremely low DC standby power |
| 12/15/1981 | US4306145 High stability no feedback optical transistor amplifier system |
| 12/15/1981 | US4306131 Solid state touch control snap switch |
| 12/10/1981 | WO1981003558A1 Timer |
| 12/10/1981 | WO1981003550A1 Optically switched device |
| 12/09/1981 | EP0041132A2 Output stage for sensors supplying an electrical signal |
| 12/08/1981 | US4305135 Program controlled capacitive keyboard variable threshold sensing system |
| 12/08/1981 | US4305106 System for short circuit protection using electronic logic in a feedback arrangement |
| 12/08/1981 | US4305021 Switch for controlling the operation of a light source in response to the presence of a moving person or object and in response to the magnitude of ambient light not provided by the light souce |
| 12/08/1981 | US4305009 Low power consumption high speed transistor circuit comprising a complementary circuit |
| 12/08/1981 | US4305006 Electrical switch |
| 12/08/1981 | US4304976 Capacitive touch switch panel |
| 12/02/1981 | EP0040969A2 Laminated electric element |
| 12/02/1981 | EP0040678A2 Time switch for stair lighting |
| 12/01/1981 | US4303856 Control push-button device for switching an electronic or electric circuit |
| 12/01/1981 | US4303841 VMOS/Bipolar power switch |